FOURTH WHEEL, REGULAR
For Seiko V531-6A20
M/1577
Alternate: 163/1/ETA 2502
Movement Listing
This part is also used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Elgin 796 | AUTOMATIC SWEEP SECOND-INCABLOC | 11.5 |
| Longines 5602 | MECH MVMT DO NOT SUB 410 MS |
